WHOLESALE DOUBLE-SIDED SOCKET HOLDER Spring loaded ball release socket clips hold sockets firmly to rail. High impact composite plastic construction is durable and light weight. 1/4" 16 clip, 3/8" 14 clip, 1/2" 12 clip. 10" overall length. Holds sockets securely and mounts on wall or in toolbox. display of 12 (4 of ea size) price is each rail , not a set